HIGH-END THREE-WAY SPEAKER UNIT - 3/4-inch silk dome tweeter, 4-inch midrange speaker unit, and 8-inch woofer unit, each performs well to recover more sound details with low distortion. SUB-OUT OUTPUT FOR EXTERNAL SUBWOOFER - One sub-out output, low pass 100Hz enables connection to powered super bass speakers to meet the application scenarios requiring lower frequencies. VERSATILE CONNECTIVITY - Line in 1, line in 2, optical, coaxial, Bluetooth V5.1 input enable connection to the computer, turntable, TV, set-top box, DVD, and other sound source devices of your choice. 150W RMS - Continuous undistorted power output by the tweeters (14W+14W), midrange speakers (16W+16W), and bass (45W+45W), easily perform well in a large space of 100 square meters. 2 YEAR WARRANTY - Guaranteed high quality and reliability with hassle-free parts and labor warranty for two years in USA and Canada.